Title:
TOUCH SCREEN DEVICE AND OPERATION METHOD OF TOUCH SCREEN DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/070012
Kind Code:
A1
Abstract:
Disclosed are a touch screen device and an operation method of the touch screen device.The touch screen device comprises a screen unit which is operated by touch and scatters infrared rays generated in an infrared generator, a sensor unit which senses the scattered infrared rays and/or an external light source, and a driving unit which generates a driving signal related to the power of the infrared generator and sensing of the sensor unit, and drives the infrared ray generating unit and the sensor unit according to the driving signal.
Inventors:
LYU HONG KUN (KR)
WOO SUNG HO (KR)
WOO SUNG HO (KR)
Application Number:
PCT/KR2012/009445
Publication Date:
May 16, 2013
Filing Date:
November 09, 2012
Export Citation:
Assignee:
DAEGU GYEONGBUK INST SCIENCE (KR)
International Classes:
G06F3/042; G06F3/041
Foreign References:
| KR20110066152A | 2011-06-16 | |||
| KR20110056892A | 2011-05-31 | |||
| US20100060611A1 | 2010-03-11 | |||
| US20110122091A1 | 2011-05-26 |
Attorney, Agent or Firm:
MUHANN PATENT & LAW FIRM (KR)
특허법인 무한 (KR)
특허법인 무한 (KR)
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Claims: